Fatal error: Uncaught Symfony\Component\Filesystem\Exception\IOException: Unable to write to the "/var/www/html/var/cache/dev/translations" directory. in /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php:681 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Config/ResourceCheckerConfigCache.php(124): Symfony\Component\Filesystem\Filesystem->dumpFile('/var/www/html/v...', '<?php\n\nuse Symf...') #1 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php(334): Symfony\Component\Config\ResourceCheckerConfigCache->write('<?php\n\nuse Symf...', Array) #2 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php(299): Symfony\Component\Translation\Translator->dumpCatalogue('it-IT', Object(Symfony\Component\Config\ConfigCache)) #3 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Config/ConfigCacheFactory.php(46): Symfony\Component\Translation\Translator->Symfony\Component\Translation\{closure}(Object(Sy in /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php on line 681